Loss of the DME 2 Data Bus Identified by the EIS 3
1. Possible Causes
_______________
- INTRG-DME, 2 (2SD2)
- wiring of the DISTANCE DATA OUTPUT 2 bus from the DME interrogator 2 (2SD2) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-60-00-740-002 EIS Input Test AMM 31-60-00-740-007 GROUND SCANNING Test of the DMC AMM 34-51-33-000-001 Removal of the DME Interrogator (2SD1,2SD2) AMM 34-51-33-400-001 Installation of the DME Interrogator (2SD1,2SD2) ASM 34-51/01
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
121VU COM NAV/DME/2 1SD2 K06
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
B. Test
(1) Do the EIS input test (Ref. AMM TASK 31-60-00-740-002). R **ON A/C 106-149, 303-399, 401-499,
B. Test
(1) Do the Ground Scanning Test of the DMC (Ref. AMM TASK 31-60-00-740-007).
4. Fault Isolation
_______________
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
A. If the test gives the maintenance message DMC 3 : NO DME 2 DATA:
- replace the INTRG-DME, 2 (2SD2) (Ref. AMM TASK 34-51-33-000-001) and (Ref. AMM TASK 34-51-33-400-001).
(1) If the fault continues:
- do a check and repair the wiring of the DISTANCE DATA OUTPUT 2 bus from the DME interrogator 2 (2SD2) to the first terminal block (Ref. ASM 34-51/01).
R **ON A/C 106-149, 303-399, 401-499,
A. If the test gives the maintenance message DMC 3 : DME2(2SD2)/DMC3(1WT3)
- replace the INTRG-DME, 2 (2SD2) (Ref. AMM TASK 34-51-33-000-001) and (Ref. AMM TASK 34-51-33-400-001).
(1) If the fault continues:
- do a check and repair the wiring of the DISTANCE DATA OUTPUT 2 bus from the DME interrogator 2 (2SD2) to the first terminal block (Ref. ASM 34-51/01).
**ON A/C ALL
B. Do the test given in Para. 3.B.
Loss of the DME 2 Data Bus Identified by the CFDS
1. Possible Causes
_______________
- INTRG-DME, 2 (2SD2)
- wiring of the DISTANCE DATA OUTPUT 2 bus from the DME interrogator 2 (2SD2) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-32-00-869-002 Procedure for Class 3 Faults Reading
AMM 34-51-33-000-001 Removal of the DME Interrogator (2SD1,2SD2)
AMM 34-51-33-400-001 Installation of the DME Interrogator (2SD1,2SD2)
ASM 34-51/01
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU COM NAV/DME/2 1SD2 K06
B. Test On the CFDS MENU page, get access to the AVIONICS STATUS page (Ref. AMM TASK 31-32-00-869-002).
4. Fault Isolation
_______________
A. If the test gives the maintenance message NO DME 2 DATA:
- replace the INTRG-DME, 2 (2SD2) (Ref. AMM TASK 34-51-33-000-001) and (Ref. AMM TASK 34-51-33-400-001).
(1) If the fault continues:
- do a check and repair the wiring of the DISTANCE DATA OUTPUT 2 bus from the DME interrogator 2 (2SD2) to the first terminal block (Ref. ASM 34-51/01).
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